The Sig M400 VTAC

Published on August 23, 2018
Duration: 10:56

This review of the Sig Sauer M400 VTAC highlights its suitability as a three-gun competition rifle. The instructor, with extensive experience testing Sig optics, praises the rifle's build quality, ambidextrous features, and the M-LOK handguard system. While acknowledging the standard mil-spec trigger, he notes the rifle's potential for precision with upgrades and higher-quality ammunition.

Quick Summary

The Sig Sauer M400 VTAC is a direct impingement AR-15 rifle featuring an M-LOK handguard, which is preferred for its ease of accessory attachment. It includes ambidextrous controls, a 16-inch cold hammer-forged barrel, and is considered a strong option for three-gun competition.

Chapters

  1. 00:02Introduction to Sig Sauer M400 VTAC
  2. 00:50Sig Bravo 4 Optic Review
  3. 02:08Rear Components: BCM Stock & Buffer
  4. 02:33Receiver Construction & Features
  5. 02:47M-LOK vs. KeyMod Handguard Discussion
  6. 04:17Free-Floated Barrel & M-LOK Slots
  7. 04:39Troy Battle Sights Installation
  8. 04:52Barrel Specifications: 16" Cold Hammer-Forged
  9. 05:27Muzzle Device & Ambidextrous Controls
  10. 06:02Internal Components: Trigger & Bolt Carrier Group
  11. 06:23MSRP and Value Proposition
  12. 06:34Lower Receiver Features: QD Points & Trigger Guard
  13. 06:43Included Accessories: Sling & Case
  14. 07:06Fit and Finish Quality
  15. 07:21Barrel Twist Rate & Ammunition Compatibility
  16. 07:36Recommended Upgrades for Precision
  17. 08:31Range Test: Performance and Shooting Impressions
  18. 09:45Range Test Results & Feedback
  19. 10:13Ammunition Used & Results
  20. 10:27Final Verdict & Value Assessment

Frequently Asked Questions

What type of gas system does the Sig Sauer M400 VTAC use?

The Sig Sauer M400 VTAC utilizes a direct impingement (DI) gas system, which is a common and effective design for AR-15 platform rifles.

What are the advantages of the M-LOK handguard on the M400 VTAC?

The M-LOK handguard on the Sig M400 VTAC is preferred by the instructor for its ease of accessory attachment and removal compared to KeyMod systems, making customization simpler.

Is the Sig Sauer M400 VTAC suitable for competitive shooting?

Yes, the Sig Sauer M400 VTAC is presented as an excellent option for three-gun competition due to its features like the M-LOK handguard, ambidextrous controls, and overall build quality.

What ammunition is recommended for the Sig M400 VTAC for better accuracy?

For enhanced precision, especially at longer ranges, it's recommended to use higher-quality ammunition such as Black Hills 77-grain Open Tip Match with the Sig M400 VTAC.

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